These Ultraboost running shoes serve up comfort and responsiveness. You'll be riding on a BOOST midsole for endless energy, with a Linear Energy Push system and a Continental™ Rubber outsole. This shoe's upper is made with a high-performance yarn which contains at least 50% Parley Ocean Plastic —  reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean. Regular fit. Lace closure. adidas PRIMEKNIT textile upper. Soft heel fit. Linear Energy Push system. BOOST midsole.